Home / 9,419.22-14,129.88-4,151.97

Finding the Fourth Proportional to 9,419.22, 14,129.88 and 4,151.97

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Solution

The fourth proportional to 9,419.22, 14,129.88 and 4,151.97 is: 6,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.22 : 14,129.88 = 4,151.97 : x
  2. Step 2: Convert to fraction form
    9,419.22/14,129.88 = 4,151.97/x
  3. Step 3: Cross multiply
    9,419.22x = 14,129.88 × 4,151.97
  4. Step 4: Simplify right side
    9,419.22x = 58,666,837.86
  5. Step 5: Solve for x
    x = 58,666,837.86/9,419.22
  6. Step 6: Final answer
    x = 6,228.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.